be able to与can 能.会  (be able to用于各种时态.而can只能用于一般现在时态和一般过去时态中,have to用于各种时态.而must只能用于一般现在时态)例如: 1.I have been able to/will be able to speak two languages. 【查看更多】

 

题目列表(包括答案和解析)

找出与划线部分意思相同或相近的选项。
Now, I am able to swim.
[     ]
A. be able to
B. can
C. could
D. was able to

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Don’t worry. All the children will_____ arrive at school on time tomorrow.

A. are able to       B. can       C. be able to      D. can be able to

 

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I'll ________ speak English in one year.

A. be able to

B. can

C. must

D. may

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They _______ tomorrow, we will go for a picnic.

A. will can

B. will able to

C. will be able to

D. can be able to

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Will he ___________ drive a car when he grows up?
  [     ]
A. can    
B. is able to
C. be able to    
D. can be able to

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